This is actually an excellent question ! And quite an active field of research. This is one paper you could read - it's about text and not films, but same idea

This is actually an excellent question ! And quite an active field of research. This is one paper you could read - it's about text and not films, but same idea: "LANGUAGE MODELING IS COMPRESSION" - https://arxiv.org/pdf/2309.10668 https://arxiv.org/pdf/2309.10668